Girls Have More Koodies!Author:Gerald "Gerry" PugliesePublish date:Nov 7, 2008 That’s right, girls are grosser than boys! A new study reveals women carry more bacteria on their hands then men; the Associated Press reports. So, I guess you can add girls to this list of 10 super germy surfaces. And my ex-girlfriend said I was a filthy pig. Ha! Via Julie’s Health Club.